Graphic user interface for a display screen



FIG. 1 is a front view of a graphical user interface in an embodiment of the present invention;

FIG. 2 is a front view of a graphical user interface in another embodiment of the present invention; and,

FIG. 3 is a front view of a graphical user interface in another embodiment of the present invention.

The broken line showing of the display screen is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a graphic user interface for a display screen, as shown and described. 